Opening of the Holiday Homes Tour at the Heritage Square Museum. Tours are conducted on Saturdays and Sundays from noon to 4 p.m. through Jan. 3. 3800 Homer St., Los Angeles 90031. $10 for adults, $8 for seniors, $5 for children 7-12, and children under 4 are free. (323) 225-2700, Ext. 224.

The Women’s Committee of the Pasadena Symphony Association presents its annual Holiday Look-In Home Tour of four homes in the Pasadena area. 9:30 a.m.-4:30 p.m. The tour continues on Dec. 6. $30 in advance or $35 at the door. (626) 793-7172 or visit Pasadenaholidaylookin.org.